that's why they are calling in the fbi and the atf to assist in this investigation. this is the burnt-out reception yirr of what used to be the law offices of mayor osby davis. we got the first look inside as davis and cleanup crews sifted through the ashes to recover as much as they can. mayor davis was clearly stun bide the fire. >> i am not going to express my feelings. i am just telling you, they are going through the investigation. we are trying to piece together the pieces. we will deal with what we have to deal with. >> reporter: this is office space davis has rent forward more than two decades. what hangs on the alls now are scorched and singed proclamations and plaque, mementos from a career in public service. this is a fire that started that started early this morning, at about 1:30. >> a fire coming through one of the windows. in the waiting area. crews aggressively attacked the fire to sustain it to the room of origin. >> reporter: according to the fire department, indications are that it may be arson, so they will turn this over to the vallejo police dep